1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
# GNU MediaGoblin -- federated, autonomous media hosting
# Copyright (C) 2011, 2012 MediaGoblin contributors. See AUTHORS.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import argparse
from alembic import config
from sqlalchemy.orm import sessionmaker
from mediagoblin.db.open import setup_connection_and_db_from_config
from mediagoblin.init import setup_global_and_app_config
from mediagoblin.db.migration_tools import build_alembic_config
from mediagoblin.tools.common import import_component
class FudgedCommandLine(config.CommandLine):
def main(self, args, db, global_config):
options = self.parser.parse_args(args.args_for_alembic)
# This is useful for people running commands involving plugins, such
# as building autogenerated revisions.
if args.with_plugins:
plugins = global_config.get('plugins', {}).keys()
for plugin in plugins:
try:
import_component('{}.models:MODELS'.format(plugin))
except ImportError:
# It doesn't really matter if there's no models to import
# here.
pass
# This code is inspired by a hack in Alembic, but isn't the same really.
# Regardless, Alembic is Expat licensed.
if not hasattr(options, "cmd"):
print(
"* Only use this command if you know what you are doing! *\n"
"If not, use the 'gmg dbupdate' command instead.\n\n"
"(You can also pass --with-plugins here.)"
"Alembic help:\n")
self.parser.print_help()
return
else:
Session = sessionmaker(bind=db.engine)
session = Session()
cfg = build_alembic_config(global_config, options, session)
self.run_cmd(cfg, options)
def parser_setup(subparser):
subparser.add_argument(
"--with-plugins", action="store_true",
help="Import all plugins' models before running alembic commands.")
subparser.add_argument("args_for_alembic", nargs=argparse.REMAINDER)
def raw_alembic_cli(args):
global_config, app_config = setup_global_and_app_config(args.conf_file)
db = setup_connection_and_db_from_config(app_config, migrations=False)
FudgedCommandLine().main(args, db, global_config)
|
